--- title: "Connect FairTest and Langfuse - APIANT.ai" description: "When \"New Employee\" fires in FairTest, your agent runs \"Add Comment\" in Langfuse, or \"New Trace\" in Langfuse to \"Create Employee\" in FairTest." canonical: "https://apiant.ai/connect/fairtest-to-langfuse" --- # Connect FairTest and Langfuse When **New Employee** fires in [FairTest](https://apiant.ai/connections/fairtest), your agent runs **Add Comment** in [Langfuse](https://apiant.ai/connections/langfuse), or **New Trace** in Langfuse to **Create Employee** in FairTest. Describe the whole flow and it is built, tested on every scenario and kept running. FairTest **2** triggers FairTest **7** actions Langfuse **1** trigger Langfuse **14** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want FairTest and Langfuse to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What FairTest and Langfuse can do together ### From FairTest to Langfuse - When **New Employee** in FairTest then **Add Comment** in Langfuse - When **New Selection Event** in FairTest then **Add Dataset Item** in Langfuse ### From Langfuse to FairTest - When **New Trace** in Langfuse then **Create Employee** in FairTest - When **New Trace** in Langfuse then **Update Employee** in FairTest Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with FairTest and Langfuse ## Triggers and actions 3 triggers · 21 actions - Trigger **New Employee** Triggers when a new employee is added. - Trigger **New Selection Event** Triggers when a random selection is run. - Action **Create Employee** Creates a new employee - Action **Get employee** Retrieve a single employee by id. - Action **Get selection** Retrieve a single random selection event by id. - Action **List employees** List employees in the organisation, with pagination. - Action **List selections** List random selection events, with pagination. - Action **Run Random Selection** Randomly selects employees for drug and alcohol testing - Action **Update Employee** Updates an existing employee - Trigger **New Trace** Polling trigger: fires for newly created traces (dedup by trace id / timestamp). - Action **Add Comment** Add a comment to a trace/observation/session/prompt object. - Action **Add Dataset** Create a new dataset. - Action **Add Dataset Item** Create an item (input/expected_output/metadata) in a dataset. - Action **Add Prompt** Create a new prompt version (text or chat). - Action **Add Score** Create a score attached to a trace/observation/session (numeric, categorical, or boolean). - Action **Delete Trace** Delete a trace by id. - Action **Get Project** Reads the Langfuse project that the connection's project-scoped API key belongs to. - Action **Get Prompt** Get a prompt by name (and optional version/label). - Action **Get Trace** Get a single trace by id, including nested observations/scores. - Action **List Dataset Items** List items in a dataset. - Action **List Datasets** List all datasets in the project. - Action **List Prompts** List all prompts in the project. - Action **List Scores** List scores with optional filters. - Action **List Traces** List traces with optional filters (user, session, tags, timerange). ## Each app on its own - [ **FairTest** FairTest is a drug and alcohol testing management platform that helps organisations run random selections...](https://apiant.ai/connections/fairtest) - [ **Langfuse** Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug...](https://apiant.ai/connections/langfuse) Reviews ## What our customers say ## More from FairTest - [ **FairTest to Mozilla Remote Settings** Remote Settings PROD](https://apiant.ai/connect/fairtest-to-mozilla-remote-settings) - [ **FairTest to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/fairtest-to-hubspot) - [ **FairTest to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/fairtest-to-salesforce) - [ **FairTest to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/fairtest-to-slack) - [ **FairTest to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/fairtest-to-google-sheets) - [ **FairTest to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/fairtest-to-gmail) ## More into Langfuse - [ **Salesforce to Langfuse** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-langfuse) - [ **Google Drive to Langfuse** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-langfuse) - [ **HubSpot to Langfuse** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-langfuse) - [ **Slack to Langfuse** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-langfuse) - [ **Google Sheets to Langfuse** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-langfuse) - [ **Gmail to Langfuse** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-langfuse) Questions ## FairTest and Langfuse, answered ### ### What can start an automation from FairTest? Any of FairTest's 2 triggers in the catalog, including New Employee and New Selection Event. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Langfuse when something happens in FairTest? Any of Langfuse's 14 actions, including Add Comment, Add Dataset, Add Dataset Item and Add Prompt. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Langfuse to FairTest? Yes. When something happens in Langfuse, your agent can act in FairTest too. This page covers both directions: Langfuse's triggers and FairTest's actions are listed here as well. ### ### Do I have to build a connector for FairTest or Langfuse? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### Can my AI client use FairTest and Langfuse without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.